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Finding the Fourth Proportional to 164,049.20, 246,219.60 and 140,429.60

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Solution

The fourth proportional to 164,049.20, 246,219.60 and 140,429.60 is: 210,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,049.20 : 246,219.60 = 140,429.60 : x
  2. Step 2: Convert to fraction form
    164,049.20/246,219.60 = 140,429.60/x
  3. Step 3: Cross multiply
    164,049.20x = 246,219.60 × 140,429.60
  4. Step 4: Simplify right side
    164,049.20x = 34,576,519,940.16
  5. Step 5: Solve for x
    x = 34,576,519,940.16/164,049.20
  6. Step 6: Final answer
    x = 210,769.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.